**2. Methodologies**

This chapter has used secondary data. The data is gathered following desk research method, and the data is analyzed following document analysis technique. Document analysis is a methodical process of revising or appraising documents—both published and electronic (computer-based and Internettransmitted) material. Like other systematic approaches in qualitative research, document analysis wants that data to be scrutinized and deduced to stimulate meaning, gain empathetic, and advance pragmatic knowledge [2]. Documents used for systematic evaluation may be a variety of forms. They include advertisements, agendas, attendance registers, and minutes of meetings, manuals, background papers, books and brochures, diaries and journals, event programs (i.e., printed outlines), letters and memoranda, maps and charts, newspapers (clippings/articles), press releases, program proposals, application forms, and summaries, radio and television program scripts, organizational or institutional reports, survey data, and various public records. The current chapter especially searched websites, articles related to green banking, Maqasid Shariah, SDGs, used published or working paper of various recognized institutions, green banking reports published by Bangladesh Bank, etc.
